#include <linux/routerboot.h>
#include <linux/gpio.h>
#include <linux/platform_data/phy-at803x.h>
+#include <linux/version.h>
#include <asm/prom.h>
#include <asm/mach-ath79/ath79.h>
ndelay(500);
}
+#if LINUX_VERSION_CODE < KERNEL_VERSION(4,6,0)
static struct nand_ecclayout rb922gs_nand_ecclayout = {
.eccbytes = 6,
.eccpos = { 8, 9, 10, 13, 14, 15 },
.oobfree = { { 0, 4 }, { 6, 2 }, { 11, 2 }, { 4, 1 } }
};
+#else
+
+static int rb922gs_ooblayout_ecc(struct mtd_info *mtd, int section,
+ struct mtd_oob_region *oobregion)
+{
+ switch (section) {
+ case 0:
+ oobregion->offset = 8;
+ oobregion->length = 3;
+ return 0;
+ case 1:
+ oobregion->offset = 13;
+ oobregion->length = 3;
+ return 0;
+ default:
+ return -ERANGE;
+ }
+}
+
+static int rb922gs_ooblayout_free(struct mtd_info *mtd, int section,
+ struct mtd_oob_region *oobregion)
+{
+ switch (section) {
+ case 0:
+ oobregion->offset = 0;
+ oobregion->length = 4;
+ return 0;
+ case 1:
+ oobregion->offset = 4;
+ oobregion->length = 1;
+ return 0;
+ case 2:
+ oobregion->offset = 6;
+ oobregion->length = 2;
+ return 0;
+ case 3:
+ oobregion->offset = 11;
+ oobregion->length = 2;
+ return 0;
+ default:
+ return -ERANGE;
+ }
+}
+
+static const struct mtd_ooblayout_ops rb922gs_nand_ecclayout_ops = {
+ .ecc = rb922gs_ooblayout_ecc,
+ .free = rb922gs_ooblayout_free,
+};
+#endif /* < 4.6 */
+
static int rb922gs_nand_scan_fixup(struct mtd_info *mtd)
{
+#if LINUX_VERSION_CODE < KERNEL_VERSION(4,6,0)
struct nand_chip *chip = mtd->priv;
+#endif
if (mtd->writesize == 512) {
/*
* Use the OLD Yaffs-1 OOB layout, otherwise RouterBoot
* will not be able to find the kernel that we load.
*/
+#if LINUX_VERSION_CODE < KERNEL_VERSION(4,6,0)
chip->ecc.layout = &rb922gs_nand_ecclayout;
+#else
+ mtd_set_ooblayout(mtd, &rb922gs_nand_ecclayout_ops);
+#endif
}
return 0;